﻿// pdf文件上传
var $fileVue = new Vue({
    el: '#successFiles',
    data: {
        files: []
    }
});
function getFiles() {
    return $fileVue.files;
}
function getLastFile() {
    if ($fileVue.files != null && $fileVue.files.length > 0) {
        var len = $fileVue.files.length;
        return $fileVue.files[len - 1];
    }
    return { name: "", url: "" };
}
$(function () {
    var $ = jQuery,
        $list = $('#myFiles'),
        $btn = $('#btnUpload'),
        state = 'pending';

    var uploader = WebUploader.create({
        // 不压缩image
        resize: false,
        // swf文件路径
        swf: '/content/js/plugins/webuploader/Uploader.swf',
        // 文件接收服务端。
        server: '/FileManager/UploadFile',
        // 选择文件的按钮。可选。
        // 内部根据当前运行是创建，可能是input元素，也可能是flash.
        pick: '#picker'
    });

    // 当有文件添加进来的时候
    uploader.on('fileQueued', function (file) {
        $list.append('<div id="' + file.id + '" class="item">' +
            '<h4 class="info">' + file.name + '</h4>' +
            '<p class="state">等待上传...</p>' +
        '</div>');
    });

    // 文件上传过程中创建进度条实时显示。
    uploader.on('uploadProgress', function (file, percentage) {
        var $li = $('#' + file.id),
            $percent = $li.find('.progress .progress-bar');

        // 避免重复创建
        if (!$percent.length) {
            $percent = $('<div class="progress progress-striped active">' +
              '<div class="progress-bar" role="progressbar" style="width: 0%">' +
              '</div>' +
            '</div>').appendTo($li).find('.progress-bar');
        }

        $li.find('p.state').text('上传中');

        $percent.css('width', percentage * 100 + '%');
    });

    uploader.on('uploadSuccess', function (file, response) {
        if (response.flag && response.flag === true) {
            $('#' + file.id).find('p.state').text('已上传');
            //更新到上传成功的列表
            var dataFile = {
                name: file.name,
                url: response.data
            };
            $fileVue.files.push(dataFile);
        } else {
            $('#' + file.id).find('p.state').text('上传出错:' + response.msg);
        }
    });

    uploader.on('uploadError', function (file, reason) {
        $('#' + file.id).find('p.state').text('上传出错:' + reason);
    });

    uploader.on('uploadComplete', function (file) {
        $('#' + file.id).find('.progress').fadeOut();
    });

    uploader.on('all', function (type) {
        if (type === 'startUpload') {
            state = 'uploading';
        } else if (type === 'stopUpload') {
            state = 'paused';
        } else if (type === 'uploadFinished') {
            state = 'done';
        }

        if (state === 'uploading') {
            $btn.text('暂停上传');
        } else {
            $btn.text('开始上传');
        }
    });

    $btn.on('click', function () {
        if (state === 'uploading') {
            uploader.stop();
        } else {
            uploader.upload();
        }
    });
});